tmIPCModule.cpp

/* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is Mozilla Transaction Manager. * * The Initial Developer of the Original Code is * Netscape Communications Corp. * Portions created by the Initial Developer are Copyright (C) 2003 * the Initial Developer. All Rights Reserved. * * Contributor(s): * John Gaunt <jgaunt@netscape.com> * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */#include "tmIPCModule.h"#include "tmTransaction.h"#include "tmTransactionManager.h"///////////////////////////////////////////////////////////////////////////////// IPC Daemon hookup stuff// functionpointer array giving access to this module from the IPC daemonstatic ipcModuleMethods gTransMethods =
{
IPC_MODULE_METHODS_VERSION,
tmIPCModule::Init,
tmIPCModule::Shutdown,
tmIPCModule::HandleMsg
};
static ipcModuleEntry gTransModuleEntry[] =
{
{ TRANSACTION_MODULE_ID, &gTransMethods }
};
IPC_IMPL_GETMODULES(TransactionModule, gTransModuleEntry)
static const nsID kTransModuleID = TRANSACTION_MODULE_ID;
///////////////////////////////////////////////////////////////////////////////// Define global variabletmTransactionManager *tmIPCModule::tm;
///////////////////////////////////////////////////////////////////////////////// IPC Module APIvoid00072tmIPCModule::Init() {
if (!tm)
InitInternal();
}
void00078tmIPCModule::Shutdown() {
if (tm) {
delete tm;
tm = nsnull;
}
}
// straight pass-through, don't check args, let the TM do it.void00087tmIPCModule::HandleMsg(ipcClientHandle client, constnsID &target,
constvoid *data, PRUint32 dataLen) {
// make sure the trans mngr is thereif (!tm && (InitInternal() < 0))
return;
// create the transactiontmTransaction *trans = newtmTransaction();
// initialize itif (trans) {
if(NS_SUCCEEDED(trans->Init(IPC_GetClientID(client), // who owns it
TM_INVALID_ID, // in data
TM_INVALID, // in data
TM_INVALID, // in data
(PRUint8 *)data, // raw message
dataLen))) { // length of message// pass it on to the trans mngr
tm->HandleTransaction(trans);
}
elsedelete trans;
}
}
///////////////////////////////////////////////////////////////////////////////// tmIPCModule API// straight pass-through, don't check args, let the TS & TM do it.void00118tmIPCModule::SendMsg(PRUint32 aDestClientIPCID, tmTransaction *aTransaction) {
IPC_SendMsg(aDestClientIPCID,
kTransModuleID,
(void *)aTransaction->GetRawMessage(),
aTransaction->GetRawMessageLength());
}
///////////////////////////////////////////////////////////////////////////////// Protected Methods
PRInt32
00130tmIPCModule::InitInternal() {
tm = newtmTransactionManager();
if (tm)
return tm->Init();
return -1;
}